Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

invade


in·vade

verb \in-ˈvād\
in·vad·edin·vad·ing

Definition of INVADE

transitive verb
1
: to enter for conquest or plunder
2
: to encroach upon : infringe
3
a : to spread over or into as if invading : permeate <doubts invade his mind> b : to affect injuriously and progressively <gangrene invades healthy tissue>
in·vad·er noun

Examples of INVADE

  1. The troops invaded at dawn.
  2. When tourists invade, the town is a very different place.
  3. The cancer eventually invaded the brain.
  4. Weeds had invaded the garden.
  5. Bacteria invaded and caused an infection.

Origin of INVADE

Middle English, from Latin invadere, from in- + vadere to go — more at wade
First Known Use: 15th century

Browse

Next Word in the Dictionary: invaginate
Previous Word in the Dictionary: invadable
All Words Near: invade

Seen & Heard

What made you want to look up invade? Please tell us where you read or heard it (including the quote, if possible).